Chapter I - Concrete
Structures
Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
and meets the requirements laid down in this
Regulation.
I. GENERAL PROVISIONS
1.5
1.1
1.5.1 With regard to the reinforcement
concrete structures can be: unreinforced
concrete, reinforced concrete (hereinafter
referred to as reinforced concrete structures) or
pre-stressed concrete (hereinafter referred to
as pre-stressed concrete structures).
This Technical Regulation (hereinafter referred
to as the Regulation), is about the fulfillment of
the essential requirements for concrete works
in construction, defines the technical
characteristics of concrete structures in
buildings (hereinafter referred to as the
concrete structure), the requirements for the
design,
construction
works,
usability,
maintenance and other requirements for
concrete
structure,
and
technical
characteristics and other requirements for
construction products intended for installation
in concrete structure (hereinafter referred to
as construction products).
1.5.2 With regard to the weight of concrete,
concrete construction can be made of: light,
normal or heavy concrete.
1.6
1.6.1. Construction products on which this
Technical Regulation refers to are:
- Cement,
- Aggregate,
- Concrete additives
- Water,
- Concrete,
- Reinforcing steel,
- Pre-stressing steel,
- Precast concrete elements,
- Products for protection and repair of concrete
structures, and
- Other construction products which are
prescribed in appendixes to this Regulation
1.2
Design, construction, maintenance and usage of
the building must be such as to fulfill the
requirements laid down in this Regulation.
1.3
This regulation does not apply to concrete
structures that are:
- Under normal conditions are exposed to
temperatures higher than 100 ° C,
- Reinforced with solid steel profiles.
1.6.2. Concrete is a construction product
comprised of cement, aggregates, admixtures
and water.
1.4
Compliance with the essential requirements of
mechanical resistance and stability of the
building and part of the essential requirement
for fire protection, which refers to concrete
preservation capacity in case of fire during a
specified time period determined by a special
regulation (hereinafter referred to as the
resistance to fire), achieved by concrete
structure who has the technical characteristics
1.6.3. Reinforcement is the construction
product made of steel rebar for reinforcement
or pre-stressing steel and steel rebar.
1.6.4. Precast concrete element is a
construction product made from concrete or
concrete and steel rebar.
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
1.7
paragraph 2.1 and 2.2 of this Regulation, it is
understood that the building meets the
essential requirement of mechanical resistance
and stability and that it has the required fire
resistance.
Concrete structure and building products to
which this regulation applies must have the
technical properties and meet all requirements
laid down in this Regulation.
2.2.2 Where, in accordance with other special
regulations, it is required additional protection
of concrete structure to meet the requirements
of fire resistance, such protection is considered
to be an integral part of the technical design of
concrete structures.
II. TECHNICAL CHARACTERISTICS OF CONCRETE
STRUCTURES
2.1
2.1.1 Technical characteristics of concrete
structures must be such that during the life of
the building, during construction works, and
maintenance of concrete structures, they
withstand all the loads and effects of normal
use and environmental impacts, so that during
the construction and use of a building,
predictable loads on the building do not cause:
-Collapse of the whole or part of the work
-Major deformations to an inadmissible degree
-Damage to other parts of the construction
works or to fittings or installed equipment as a
result of major deformation of the load-bearing
construction
-Damage by an event to an extent
disproportionate to the original cause
2. 3
2.3.1Technical characteristics of concrete
structures must be such that, in addition to
meeting the requirements of this Regulation,
they meet also requirements of specific rules
for fulfillment of other essential requirements
for the building.
2. 4
2.4.1 Concrete structure shall after the
reconstruction of the building of which it forms
part, have the technical characteristics
prescribed by this Regulation,
2.4.2 On exceptional basis of article 2.4.1, the
concrete structure of the building after
reconstruction must have a minimum of
technical characteristics that it had before the
reconstruction
2.1.2 The technical characteristics of concrete
structures, with conditions set out in paragraph
2.1.1, shall be such that in the event of an
outbreak of a fire preserves load bearing
capacity of a structure or part of it during an
assumed period prescribed by a special
regulation.
2.4.3 It is presumed that the reconstruction of
the building does not have a significant impact
on the technical properties of concrete
structure,
if
the
existing
technical
characteristics related to mechanical resistance
and stability are satisfactory, and if they change
up to 10% (e.g. .change in the mass of the
building, changing the position of center of
mass and center of stiffness, the change of
stress in sections, etc.).
2.1.3 The technical characteristics of the
paragraph 2.1.1 and 2.1.2 shall be accomplished
by the design and execution of works in
accordance with the provisions of this
Regulation.
2. 2
2.2.1 If the concrete structure has the
technical
characteristics
prescribed
in
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
2.4.4 The provisions of paragraph 2.4.2 shall not
apply to:
- New parts of concrete structures after
reconstruction,
-On multiple reconstruction of buildings which
alter existing technical properties of concrete as
a whole or its individual parts, which properties
are related to mechanical resistance and
stability of the building,
-The reconstruction of the building where the
concrete structure is damaged so that there is
danger to life and health, the environment,
nature, other buildings and things, or the
stability of the soil on the surrounding land,
-The reconstruction of the building where the
design goal is extending the life of the building,
-The reconstruction of energy facilities, facilities
for the storage of flammable liquids, gases and
toxic materials, radio and television building,
telecommunications, construction of which
gather larger number of people (e.g. cinemas,
theaters, sports and exhibition buildings,
colleges, schools, health facilities etc.), the
structure of emergency services (fire,
ambulance, public and national security, etc.),
buildings with more than ten floors, etc.
produced or prepared for needs of a particular
site, in accordance with requirements of design
of concrete structure.
3.2
3.2.1 Construction product manufactured in a
factory off-site may be incorporated into the
concrete structure only if it meets the
requirements prescribed by this Regulation, and
if for this product it is proved conformity in
accordance with the design and this regulation.
3.2.2 Concrete, steel rebar’s and precast
concrete products produced or manufactured
on the site for that site, may be incorporated
into the concrete structure if it is proved
conformity in accordance with the design and
this regulation
3.2.3 In the case of non-compliance of the
construction product with the technical
specifications for the product and / or concrete
construction project design, a manufacturer of
building products and concrete construction
contractor must immediately stop production of
the product and take measures to identify and
eliminate errors that cause incompatibility.
III. BUILDING PRODUCTS FOR CONCRETE
CONSTRUCTION
3.2.4 If there is a nonconforming delivery of the
construction product, manufacturer, or
authorized representative must without delay
inform the nonconformity of the product to all
customers, distributors, authorized entity that
is involved in validating compliance, and the
Ministry of Environmental and spatial planning
3.1
3.1.1 Building
products
for
concrete
structures are produced in factories outside the
Site, unless this Regulation otherwise specifies
3.1.2 On an exceptional basis from article 3.1.1,
concrete, reinforcement and precast concrete
element can be produced or manufactured on
the site for the purposes of that site.
3.2.5
The
manufacturer,
authorized
representative or importer and distributor of
construction products shall take appropriate
measures to maintain the characteristics of the
construction product during handling, storage
and
transportation
while
construction
contractor during transportation, handling,
storage and installation of building products.
3.1.3 Under construction site, beside the space
specified by the Construction law, pursuant to
paragraph 3.1.2 of this article includes the
manufacturing plant where the concrete,
reinforcement and precast concrete element,
by use of appropriate building technology are
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
3.3
requirements in accordance with relevant
regulations.
3.3.1 Specific properties, proving of conformity
certification and labeling of construction
products, testing of products, specifications in
designing and constructing, the necessary
control procedures and other requirements to
be fulfilled by construction products are defined
in the Appendixes to this Regulation,:
- Concrete - in Appendix "A",
- Rebar, reinforcing steel and pre-stressing steel
in Appendix "B",
- Cement - in Appendix "C",
- Aggregate - in Appendix "D",
- Additives to concrete- in Appendix "E",
- Water - in Appendix "F"
- Products and systems for the protection and
repair of concrete structures - in Appendix "H"
4.1.3 If the standard referred to in this
Regulation or specific regulation prescribes
otherwise, the service life of the building from
the first paragraph of this article is at least 50
years.
4.1.4 Where, in order to meet the requirements
of this Regulation, it is needs extra protection of
concrete structure, this protection will be
considered an integral part of the project design
documentation of concrete structure.
4.2
4.2.1 Mechanical resistance and stability, fire
resistance of the building must be proved by
calculations of load bearing
capacity and
usability of concrete structure in the main
project
design
documentation,
under
predictable effects and actions on buildings.
3.3.2 Certification of conformity of products not
covered by standards or significantly deviates
from the harmonized standards to which the
Appendixes "A" to "H" from the first paragraph
of this section shall be conducted according to
technical approval for these products.
4.2.2 On an exceptional basis from paragraph
4.2.1 of this article, the fire resistance is not
required to be proven if by a special regulation
is not specified the time of preserving capacity
of concrete structure in case of outbreak of fire
for that building.
IV. DESIGN FOR CONCRETE STRUCTURES
4.1
4.1.1 Concrete structures must be designed
predicting all the effects on concrete structure
during construction and service life of the
building resulting from the method and
sequence
of
construction,
foreseeable
conditions of normal use of the building and
foreseeable environmental effects on the
building.
4.2.3 The calculations referred to in paragraph
4.2.1 of this Article shall be carried out by using
the appropriate calculation procedures that can
be supplemented by tests if needed, while
taking into account all relevant parameters.
4.2.4 Calculated models must be such that,
taking into account the reliability of the input
data and the accuracy of construction, match
the behavior of concrete structures during
construction and in use.
4.1.2 Design of concrete structure, in
accordance with this Regulation, must prove
that the building during construction and
projected service life meet essential
requirement of mechanical resistance and
stability, resistance to fire and other essential
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
- A description of the impact of purpose and
usage of building and environmental influences
on the properties of concrete,
- Data from the study on previous research and
other surveys that are of influence on the
properties of concrete,
- Description of concrete structure, including
foundations,
- A description of the concrete construction
process and installation of building which are
essential to meet the technical properties of the
concrete structure.
4.3
4.3.1 The design of concrete structures,
according to SK EN standards is explained more
in detail in Appendix "G" of this Regulation.
4.3.2 The application of other rules of designing
concrete structures that are different from the
rules set by SK EN standards in Appendix "I" of
this Regulation, is on if it is proved that the
application of these rules meet the
requirements of this Regulation, at least on
same level as standards described on this
regulation
2. Calculation of load bearing capacity and
serviceability:
- Information on the anticipated effects and
impacts on the structure related to the
calculation load bearing capacity and
serviceability of concrete structures,
- Information on the ground for foundation and
seismicity,
- Calculation of load bearing capacity and
serviceability of concrete structure for the
foreseeable impacts, and calculation of
individual parts of the concrete structure, for all
phases of construction works and during usage
of building.
4.3.3 Appendix "I" in paragraph 1 of this Article
shall be specified in the design of concrete
structures.
4.4
4.4.1 For concrete structures that are exposed
to environmental factors due to which there is a
risk of corrosion of reinforcement, should not
be used cement type CEM III / C, and the main
types of CEM IV and CEM V, if the concrete
structure
exposed
to
the
following
characteristics:
Risk of corrosion caused by carbonation
- If there is a concrete structure with
reinforcement or other embedded metal is
exposed to air and moisture:
- Wet, rarely dry,
- Moderately humid environment,
- Alternating wet and dry environments.
- Wet, rarely dry environment,
- Alternating wet and dry environments.
3. Quality control and quality assurance of
concrete structures:
- Properties that building products need to have
which are installed in concrete structure,
including adequate information which is
requested according to Appendixes of this
Regulation,
- Tests and procedures to prove the usability of
construction products which manufactured at
the site for the purposes of this site,
- Testing and proving methods, for load bearing
capacity and usability of concrete structures,
- The conditions and other requirements that
must be met during the execution of concrete
structures, which have an impact on the
achievement of designed and specified
technical properties of concrete and meeting
the essential requirements for the building and
4.5
4.5.1 Construction project - project of concrete
structure, which is an integral part of the main
project shall include in particular:
1. Technical description:
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
- Other conditions relevant to compliance with
the requirements laid down in this Regulation
and other regulations.
5.2
5.2.1 When taking a construction product
produced off-site contractor must verify:
- Whether the construction product has a label
that is in accordance with a special regulation
- Whether the construction product is delivered
with technical instructions for installation and
use,
- Whether the characteristics, including the life
of the construction product, and data relevant
for its installation, use and effect on the
properties and durability of concrete structures
consistent with the characteristics and data
specified on project.
4.6
4.6.1 In addition to the conditions provided for
in Articles of this Regulation, the project of
reconstruction of the building which changes
the concrete structure must containing
formation about the current technical
characteristics of existing concrete for actual
performance concrete construction.
4.6.2 Current technical characteristics of
concrete structures before the design of the
reconstruction are determined by visual
inspection of the building, examining the
documentation of the building, taking samplestesting samples and parts of the concrete
structure, calculations, or in any other
appropriate manner.
5.2.2 Determined under paragraph 5.2.1 this
article, it must be written in construction log
book, and documentation with which the
construction product was shipped will be used
as an evidence of the conformity of
construction products, and contractor must
have it on site.
V. CONSTRUCTION AND USABILITY OF
CONCRETE
STRUCTURES
5.3
5.1
5.3.1 The prescribed properties and usability of
the construction product made on the site shall
be determined in the manner described by the
project design and this Regulation.
5.1.1 Construction of buildings that contain
concrete structure shall be such that the
concrete structure has the technical
characteristics
and
meets
the
other
requirements prescribed by this regulation in
accordance with the technical solutions and the
conditions for the construction of a given
project, and to ensure the preservation of these
properties and usability of the building during
its duration.
5.3.2 Data demonstrating the usability and
performance properties of the construction
product under paragraph5.3 contractor writes it
in accordance with the regulations on
construction diary.
5.4
5.4.1 It is prohibited the installation of building
products which:
- Is delivered without a label in accordance with
special regulations,
- Is delivered without technical instructions for
installation and use,
5.1.2 During execution of concrete structure,
contractor shall comply with the design
concrete structure, and the technical
instructions for installation and use of
construction products and the provisions of this
Regulation.
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Chapter I - Concrete Structures
Section 2 – Structural
- It has no properties required by the project
documentation or it is out of expiry date, and
whose data relevant for installation, use and
effect on the properties and durability of
concrete structures are not consistent with data
from a specific project.
- Construction products are installed in concrete
structure in the prescribed manner and have
the certificate of conformity under paragraph
3.2.1 of this Regulation, or evidence of usability
under paragraph 3.2.2 this Regulation,
- The conditions for construction and other
factors, which may affect the technical
properties of concrete, were consistent with
the requirements of the project,
- Concrete structure has evidence of load
bearing capacity and serviceability determined
by tests experimental load when it is prescribed
as mandatory or required by the project, and if
the checks of those facts recorded and / or
documented.
5.4.2 Installation of construction products must
be approved by the supervising engineer, which
will be recorded in accordance with the
regulations on construction diary.
5.5
5.5.1 Execution of concrete structure must be
such that the concrete structure has the
technical characteristics and meets the
requirements of project documentation and
this Regulation.
5.6.2 It is considered that the usability of
concrete structure is proved if the conditions in
paragraph 5.6.1 this Article and Article 5.7 this
Regulation are fulfilled.
5.5.2 Conditions for execution of concrete
structure are determined by the Quality control
and quality Assurance plan which is an integral
part of the main project – design of concrete
structure or at least in accordance with the
provisions of Appendix "H" of this Regulation.
5.7
5.7.1 If it is determined that concrete structure
doesn’t have technical properties according to
construction project, additional tests must be
carried out in order to proving concrete
structure meets the requirements of this
Regulation.
5.5.3 If a technical solution of concrete
structures, or the conditions in which works are
performed, and other circumstances that may
affect the technical properties of concrete, such
that they are not covered by the provisions of
Appendix "H" of this Regulation, then the
control program and quality assurance must be
regulated
with
special
conditions of
construction which meets the requirement of
paragraph 5.5.1.
5.7.2 The evidence referred to in paragraph 1
this Article shall be considered part of the As
build design.
5.7.3 In the event that it is proved that the
achieved technical properties of concrete
structures do not meet the requirements of this
Regulation, it is necessary to draft a project
documentation of rehabilitation of concrete
structures.
5.5.4 Appendix "H" defines the construction and
maintenance of concrete structures for
paragraphs 5.5.2 and 5.5.3
5.6
VI. MAINTENANCE OF CONCRETE STRUCTURES
5.6.1 It is considered that concrete structure
has technical properties and is usable if:
6.1
6.1.1 Maintenance of concrete structure must
be such that the during its life time, building
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Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Section 2 – Structural
retain its technical characteristics and meet the
requirements of a project design and this
regulation, and other essential requirements
that facilities must meet in accordance with a
special regulation.
- Preservation Works with which concrete
structure retains or returns technical properties
according to design of the building, this
regulation or regulation to which the concrete
structure is executed and designed.
6.2.2 Compliance with the prescribed
maintenance activities on maintenance, is
documented in accordance with project design
- Reports of inspections and tests of concrete
structures,
- Records of maintenance works,
6.1.2 Maintenance of concrete structure that
has been built in accordance with prior
regulations must be such that the during life
time of the building, it retain its technical
characteristics and meet requirements of these
regulations
6.3
6.2
6.3.1 For maintenance of concrete structure is
allowed to use only those construction
products, for which the requirements are met,
and for which an issued certificate of
conformity according to special regulation or
which usefulness has been proved in
accordance with the design of the building and
this Regulation.
6.2.1 Maintenance of concrete structure
includes:
- Regular inspection of concrete structures, at
intervals and in the manner prescribed in
project documentation of the building, this
Regulation and / or special provision in
accordance with the provisions of Construction
Law,
- Extraordinary checks of concrete structure
after any emergency or upon the request of
inspection,
6.3.2 Maintenance of the concrete structure
shall not endanger the technical characteristics
of concrete building.
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Section 2 – Structural
Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
APPENDIX A
CONCRETE
A.1 SCOPE
A.1.1. In this Appendix, in accordance with Article 3.3 of this Regulation specifies the technical
characteristics and other requirements for the concrete to be installed in concrete structure (hereinafter
referred to as concrete) and a way to verify the compliance of concrete unless this Regulation provides
otherwise.
A.1.2. Technical characteristics and other requirements and certifying compliance of concrete are
determined or implemented according to the standards set forth in Section A.6 of this Appendix, the
standards to which these standards indicate the provisions of this Appendix.
A1.3. Concrete in terms of item A.1.1. this Appendix is plain, light or heavy concrete produced in the
factory of concrete, concrete plant for precast concrete or concrete plant on the site for the purposes of
this site.
A.1.4. The provisions of this Appendix shall not apply to:, concrete with open structure (without fine
particles), shotcrete, concrete density less than 800 kg/m3, fireproof concrete, polymer modified
concrete, fiber reinforced concrete, Ferrocement, etc.
A.2. SPECIFIC PROPERTIES, CERTIFICATION OF CONFORMITY MARKING
A.2.1. Specific properties
A.2.1.1. The technical properties of concrete must meet the general and specific requirements essential
for the ultimate purpose of concrete and must be specified according A.6 of this appendix
A.2.1.2. Concrete is produced as:
a) Designed concrete,
b) Given concrete composition,
c) Normative concrete composition according to the norms of point A.6 this Appendix.
A.2.1.3 Concrete from the point A.2.1.2 subparagraph b) and c) of this Appendix is only produced up to
strength class C16/20.
A.2.1.4. Properties of hardened concrete must be specified in the design of concrete structures,
depending on the conditions of its use.
A.2.1.5. Specification of the properties of fresh concrete is responsibility of contractor of concrete
works. Certain properties of fresh concrete, if necessary depending on the design and use of concrete,
are specified in design of concrete structure
A.2.1.6. Designed concrete must be specified in the project documentation as a compressive strength
class and as a characteristic value of 95% probability of compliance with the criteria of the standards
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Section 2 – Structural
Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
referred to in point A.6 this Appendix, the standards to which they refer, and the provisions of this
Appendix. Other features of designed concrete, if necessary, should be specified in accordance with
paragraph A.2.1.1 this appendix.
A.2.1.7. The constituent materials of which the concrete is produced, must meet the requirements of
standards to which the standards referred to in point A.6 this Appendix and the requirements of
Appendixes "C", "D", "E" and "F" of this Regulation.
A.2.2. Certification of conformity
A.2.2.1. Verification of compliance of concrete is carried out according to the procedures and criteria
outlined in point A.6 this Appendix, and the provisions of this Appendix and the special provisions.
A.2.2.2. Factory control of production of concrete is carried out according to the item A.6 this Appendix
and shall include all necessary steps to maintain and ensure the properties of concrete in accordance
with the requirements of the item A.6 and this Appendix.
A.2.2.3. System of certification of compliance of concrete is in accordance with Appendix C of SK EN 2061:20XX.
A.2.2.4. Verification of compliance of concrete is conducted twice a year based on the results of
inspection of factory production control and assessment (evaluation) test results of manufacturers, and
test results of compressive strength of concrete in the random samples taken.
A.2.2.5. When production of a particular composition of each type of concrete is interrupted longer than
6 months, to continue that production sampling and evaluation criteria must be performed as for initial
production.
A.2.2.6. Certification of conformity of the designed compressive strength of concrete is carried out
according to the criteria of the standard SK EN 206-1:20XX, with the restriction that the statistical
analysis for all standard deviation takes the minimum value of 3 N/mm2 for normal concrete, or 5 N /
mm2 for high strength concrete, regardless of the values obtained lower standard deviation.
A.2.3. Labeling of concrete
A.2.3.1. Designed concrete and concrete composition must be given to the bill of and marked according
to SK EN 206-1:20XX, whereby the label must contain a call to the norms and compressive strength
class, and information on other properties ( class resistance to classes of exposure, the highest nominal
aggregates, density, consistency, etc.) when these properties due to concrete construction project.
A.2.3.2. Concretes with given composition class instead of compressive strength in the bill should be
marked with the type and quantity of cement in concrete is m3, and information on other properties
when those properties are defined concrete structure design.
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Chapter I - Concrete Structures
A.3. TESTING CONCRETE
A.3.1. Sampling, preparation of test samples and testing the properties of fresh and hardened concrete
are carried out according to the standards referred to in point A.6.of this Appendix.
A.4. DESIGN
A.4.1. Concrete that has the technical characteristics and meets the other requirements of this
Appendix is used for concrete structures designed according to Appendix "I" of this Regulation.
A.5. CONSTRUCTION
A.5.1. Installation of concrete should be done according to rules laid down in Appendix "J" of this
Regulation, and:
- Details regarding the installation of concrete
- Details regarding the constituent materials of which the concrete products and standards that certifies
these products,
- Details pertaining to the use and maintenance, or rules laid down in concrete structures
documentation and / or technical instructions for installation and use.
A.6. LIST OF STANDARDS
SK EN 206-1:20XX
Concrete - first Part: Specification, performance, production and
conformity (includes amendments A1: 2004 and A2: 2005) (EN 2061:20XX+ A1: 2004 + A2: 2005)
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Chapter I - Concrete Structures
APPENDIX B
REINFORCEMENT AND REINFORCING STEEL
B.1. SCOPE
B.1.1. In this Appendix, in accordance with Article 3.3 of this Regulation specifies technical
characteristics and other requirements for reinforcement, reinforcing steel and pre-stressing steel to be
installed in concrete construction, unless this Regulation provides otherwise.
B.1.2. Reinforcement in terms of point B.1.1 is the steel rebar made of steel reinforcement or prestressing steel and reinforcing steel (hereinafter steels) produced in central reinforcement shop (factory
type), the reinforcement shop plant for precast concrete or reinforcement shop on the site
B.1.3. Technical characteristics and other requirements, and prove of serviceability of steel rebar or
certification of conformity is determined and implemented by paragraph B.1.3.1 or Section B.1.3.2 of
this Appendix, and in accordance with the provisions of a special regulation.
B.1.4. Technical characteristics and other requirements, and verifying compliance of steel is
determined or implemented according to the norms of point B.7 this Appendix, the standards to which
they refer, and in accordance with the provisions of a special
B.2. SPECIFIED PROPERTIES, CERTIFICATION OF CONFORMITY AND MARKING
B.2.1. Specified properties
B.2.1.1. Technical characteristics of steel rebar must comply with the general and specific requirements
essential for the ultimate purpose and depending on the type of steel must be specified by the
standards stated in Section B.7 this Appendix and the standards to which these standards are referred,
as well as the provisions of this Appendix.
B.2.1.2. Reinforcement is produced as:
a) Reinforcement for reinforced concrete structures, steel reinforcing
b) Reinforcement for Pre-stressed concrete structures, pre-stressing steel and reinforcing steel.
B.2.1.3. Technical properties of reinforcement steel for the reinforcement and pre-stressing Steel are
specified in the design of concrete structures and the technical specification for the product.
B.2.2. Proving, verifying compliance
B.2.2.1. Serviceability of reinforcement manufactured according to design of concrete structures is
carried out according to the project documentation, and the provisions of this Appendix, and includes
Requirements for:
a) Contractor's control of the manufacturing and testing of reinforcement, and
b) Quality control in the manufacturing plant and supervision of the contractor's Workmanship
reinforcement
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Chapter I - Concrete Structures
B.2.2.2. Certification of conformity reinforcements manufactured according to the technical
specification shall be conducted under the provisions of these specifications and the provisions of this
Appendix and the special provisions.
B.2.2.3. Certification of conformity reinforcing steel is carried out by conformity Assessment system 1 +,
and appropriate procedures and criteria for conformity assessment standards SK EN 10080:20XX,
properties related to meeting the essential requirement for mechanical resistance and stability of the
building and resistance to fire, and the provisions of this Appendix and the special provisions.
B.2.2.4. Certification of conformity for pre-stressing steel shall be conducted under the Provisions of
Appendix for SK EN 10138-1:20XX standards, and provisions of this Appendix and special regulations.
B.2.3. Labeling
B.2.3.1. Reinforcement manufactured according to the technical specification is marked on the delivery
note and packaging in accordance with the provisions of these specifications. The mark must contain a
reference to this specification and in accordance with a special Regulation.
B.2.3.2. Reinforcing steel shall be marked on the bill of lading and packaging in accordance with the
appropriate standards listed in Section B.7 of this Appendix and the standards to which these standards
are referred, as well as the provisions of this Appendix. The mark must contain a reference to the
appropriate standard, in accordance with a special regulation.
B.2.3.3. Pre-stressing steel will be marked on the bill of lading and on the packaging of the appropriate
standards listed in Section B.7 of this Appendix and the standards to which these standards are referred,
as well as the provisions of this Appendix. The mark must contain a reference to the appropriate
standard, in accordance with a special regulation.
B.3. EXAMINATION
B.3.1. Sampling, preparation of test samples and testing properties of reinforcing steel and prestressing steel, must be carried out according to the standards to which the corresponding standard
from the point B.7 of this Appendix.
B.3.2. If the steel rebar is part of assembly with other steel products (sheet steel, profile steel, steel pipe,
etc.), sampling and preparation of test specimens for mechanical testing of steel products is carried out
according to the standards to which the corresponding standard from the point B.7., this Appendix,
reinforcement is carried out by applying the relevant standards from the point of this Appendix B.7.
B.4. DESIGN
B.4.1. Reinforcement with properties specified in this Appendix is used for concrete structures
designed and calculated according to Appendix "G" of this Regulation.
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Section 2 – Structural
B.5. CONSTRUCTION, INSTALLATIONS AND MANUFACTURE OF REINFORCEMENT
B.5.1. When installing the reinforcement should be appropriately applied the rules laid down in
Appendix "G" of this Regulation, and:
- Details regarding the installation of the reinforcement
- Details regarding the constituent materials of which the reinforcement is made and standards that
certifies these products,
- Details pertaining to the use and maintenance, given remarks in construction project and / or technical
instructions for installation and use
B.5.2. During manufacture or production of reinforcement should respect the rules of reinforcement
according to Appendix "B" of the Regulations and standards to which this Appendix refers, unless this
Appendix otherwise specifies.
B.5.3. Reinforcement steel reinforcement has extensions in the form of laps, welds or Mechanical
joint.
B.5.3.1. Laps are performed under the provisions of a series of standards SK EN 1992
B.5.3.2. Welds are performed under the provisions of a series of standards SK EN 1992
B.5.3.2.1.Testing of welded joints is carried out in accordance with the provisions of the relevant
standards from the point B.7.
B.5.3.2.2. Testing of welding procedures and welders uses standard SK EN 287-1:20XX.
B.5.3.3. Mechanical connections are made and confirmed their compliance to the Technical
specifications or are manufactured according to design of concrete structures.
B.6. CONTROL OF REINFORCEMENT BEFORE CONCRETING
B.6.1. Reinforcement made according to the design of concrete structures, may be incorporated into the
concrete structure if compliance of steel, welds, mechanical joints, couplings, pipe Confirmed or tested
in the manner prescribed in this Appendix.
B.6.2.Reinforcment manufactured according to the technical specification for which compliance is
confirmed in the manner prescribed in this Appendix, may be incorporated into the concrete structure if
the project meets the requirements of the concrete structure.
B.6.3. Before installing reinforcing appropriate supervisory action must be performed, prescribed in
standard SK EN 13670-1:20XX and other control actions specified in Appendix "H" of this Regulation.
B.7 LIST OF STANDARDS
B.7.1 List of standards for reinforcement
SK EN 10080:20XX
Steel for the reinforcement of concrete. Weld able
15 steel. General
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SK EN 10138-1:20XX
Pre-stressing steels - Part 1: General requirements
SK EN 10138-2:20XX
Pre-stressing steels - Part 2: Wire
SK EN 10138-3:20XX
Pre-stressing steels - Part 3: Strand
SK EN 10138-4:20XX
Pre-stressing steels - Part 4: Bars
SK EN 10020:20XX
Definition and classification of grades of steel
SK N 10025:20XX
Hot rolled products of structural steels. General
technical delivery conditions
SK EN 10027-1:20XX
Designation systems for steels - Part 1: Steel names
SK EN 10027-2:20XX
Designation systems for steel; numerical system
SK EN 10079:20XX
Definition of steel products)
SK EN 523:20XX
Steel strip sheaths for pre-stressing tendons Terminology, requirements and conformity;
SK EN ISO 17660-1:20XX
Welding - Welding Of Reinforcing Steel - Part 1: Load
Bearing Welded Joints
SK EN ISO 17660-2:20XX
Welding - Welding of reinforcing steel - Part 2: Non
load-bearing welded joints
SK EN 287-1:20XX
Qualification test of welders. Fusion welding. Steels
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APPENDIX C
CEMENT
C.1 SCOPE
C.1.1. This Appendix in accordance with paragraph 3.3 of this Regulation prescribes the technical
characteristics and other requirements for the cement used in the concrete from Appendix "A",
and the way to verify their conformity, unless this Regulation provides otherwise.
C.1.2. Technical characteristics and other requirements for conformity certification for cement are
determined or implemented according to the provisions listed in Section C.6, the standards to
which these standards indicate provisions of this Appendix, and in accordance with the
provisions of a special regulation.
C.2. SPECIFIC PROPERTIES, CERTIFICATION OF CONFORMITY AND MARKING
C.2.1.1. Technical characteristics of cement from point C.2.1.2 item a) to g) must comply with the
general and specific requirements essential for the purpose and must be specified by the
standards stated in Section C.6 of this Appendix and the standards to which these standards are
referred, as well as the provisions of this Appendix.
C.2.1.2. Types of cement are:
a) General purpose cement,
b) Cement with low initial strength,
c) Cement of general purpose low heat of hydration,
d) Special cement very low heat of hydration,
e) White cement,
f) Sulphate resistant cement,
g) Aluminate cement.
C.2.1.3. Technical characteristics of cement specified in the design of concrete structures
C.2.1.4. Cements from point C.2.1.2 subparagraph a) to d) of this Appendix shall specify the types of the
standard SK EN 197-1:20XX.
C.2.1.5. Technical characteristics of cement from point C.2.1.2 subparagraph e) of this appendix shall be
specified according to SK EN 197-1:20XX, a threshold value of whiteness and how whiteness
control condition in the design of concrete structures.
C.2.1.6. Technical characteristics of cement from point C.2.1.2 subparagraph f) must be specified
according to SK EN 197-1 for the type CEM I, CEM III / B and CEM III / C with the additional
calculation of C3A content. Upper characteristic value C3A content must be less than or equal to
3.5%, a single value C3A content must be less than or equal to 4.0%
C.2.1.7. C3A content of point C.2.1.6 of this Appendix shall be calculated according to the expression:
C3A (cement) = C3A (clinker) × proportion of clinker in cement
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C3A (clinker) = 2.65 Al2O3 - 1.69 Fe2O3 where the content of Al2O3 and Fe2O3 is determined
according to SK EN 196-2:20XX.
C.2.1.8. Technical characteristics of cement from point C.2.1.2 subparagraph g) of this appendix shall be
specified according to SK EN 14647:20XX, the standards to which the standards suggested by the
provisions of this Appendix.
C.2.2. Certification of conformity
C.2.2.1. Certification of conformity of cement from point C.2.1.2 subparagraph a) to d) of this Appendix
shall be carried out, depending on the type of cement, according to the provisions of Appendix
for standards SK EN 197-1:20XX and SK EN 197-2:20XX standards, and provisions of this
Appendix and special regulations.
C.2.2.2. Certification of conformity of cement from point C.2.1.2 subparagraph e) and f) of this Appendix
shall be carried out under paragraphs C.2.2.1; C.2.2.2.1 and C.2.2.2.2 of this Appendix, and the
provisions of this Appendix and the special provisions.
C.2.2.2.1. Certification of conformity of cement from point C.2.1.1 subparagraph e) of this Appendix
shall be conducted under the provisions of the Appendix for the norm SK EN 197-1:20XX and the
provisions of this Appendix and the specific regulation and control method of whiteness and whiteness
limits agreed with the manufacturer.
C.2.2.2.2. Certification of conformity of cement from point C.2.1.2 subparagraph f) of this Appendix shall
be conducted under the provisions of the Appendix for the norm SK EN 197-1:20XX for the type CEM I,
CEM III / B and CEM III / C and the standard SK EN 197-2:20XX, the provisions of this Appendix and
special regulations. In addition, the above cement tested C3A content, with a minimum frequency of the
study of C3A two week control routine processing (routine situation), four per week for an initial period
of production and one week for the distribution center, and the process of statistical evaluation is
carried out according to the characteristics, corresponding to Standard SK EN 197-1:20XX, given the
results of tests for C3A.
C.2.2.3. Certification of conformity of cement from point C.2.1.2 sub-paragraph g) of this Appendix shall
be conducted under the provisions of the Appendix for the standard SK EN 14647:20XX
corresponding to Standard SK EN 197-2:20XX and the provisions of this Appendix and special
regulation
C.2.3. Labeling
C.2.3.1. Cements from point C.2.1.2 subparagraph a) to d) of this Appendix shall be designated in the
project documentation of concrete structure, bill of lading and on the bag according to- SK EN
197-1:20XX, SK EN 197-4:20XX or SK EN 14216:20XX The mark must contain a reference to this
standard, in accordance with a special regulation.
C.2.3.2. Cement from the point C.2.1.2 sub-paragraph e) of this Appendix shall be marked in the manner
prescribed in paragraph 2.3.1 this Appendix, where except the label and the strength class must
also have the designation "white".
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C.2.3.3. Cement from the point C.2.1.2 sub-paragraph f) of this Appendix shall be marked in the manner
prescribed in paragraph 2.3.1 this Appendix, with the label and the strength class must also have
the designation "SR".
C.2.3.4. Cement from the point C.2.1.2 Sub-paragraph g) of this appendix is specified on concrete
construction project and on the bag so that in the front of the strength class is labeled "CAC”
C.3. EXAMINATION
C.3.1. Sampling, sample preparation, testing and statistical analysis of cement, depending on the type,
is carried out according to the standards which corresponds to standard from the point C.6 this
AppendixC.4. CONTROL BEFORE INCORPORATION
C.4.1. Cement manufactured: according to the technical specification for which compliance is verified
in the manner prescribed in this Appendix and issued certificate of conformity, may be used in
concrete in Appendix "A" of this Regulation, if they meet the requirements of the design of
concrete structure.
C.5. MAINTAINING OF TECHNICAL PROPERTIES
C.5.1. Manufacturer, its agent, importer and distributor of cement and other end-users of cement and
concrete manufacturer shall take appropriate measures to maintain the Properties of
cement during handling, storage and transport according to SK EN 197-2:20XX and in
accordance with the technical instructions.
C.6 LIST OF STANDARDS
C.6.1 List if standards for cements
SK EN 197-1:20XX
Cement. Composition, specifications and conformity criteria for common
cements
SK EN 197-2:20XX
Cement - Part 2: Conformity evaluation
SK EN 197-4:20XX
Cement. Composition, specifications and conformity criteria for low early
strength blast furnace cements
SK EN 14216:20XX
Cement - Composition, specifications and conformity criteria for very low heat
special cements;
SK EN 14647:20XX Calcium aluminate cement - Composition, specifications and conformity criteria
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APPENDIX D
AGGREGATE
D.1. SCOPE
D.1.1. In this Appendix, in accordance with Article 3.3 of this Regulation prescribes the technical
characteristics and other requirements for aggregate for use in concrete of Appendix "A" of this
Regulation, the way of certifying compliance, unless this Regulation provides otherwise.
D.1.2. Technical characteristics and other requirements, and certifying compliance unit is Determined
and implemented, depending on the type of aggregate, according to the Standards set forth in
Section D.6 of this Appendix, the standards to which they refer, and the provisions of this
Appendix, and in accordance with the provisions of a special regulation.
D.1.3. Aggregate in terms of point D.1.1. of this Appendix is aggregate and filler with a grain Density
greater than 2000 kg/m3 (hereinafter referred to as aggregate for concrete) and Lightweight
aggregate and lightweight filler grains with a density not greater than 2000 kg/m 3 and bulk
density not greater than 1200 kg/m3 (hereinafter referred to as lightweight Aggregate for
concrete) obtained from natural, industrial produced or recycled materials and mixtures of
these aggregates in plants for the production of aggregates.
D.2. SPECIFIC PROPERTIES, CERTIFICATION OF CONFORMITY AND MARKING
D.2.1. Specific properties
D.2.1.1. Technical characteristics of aggregates for concrete must fulfill the criteria, depending on the
origin of aggregates, general and special requirements essential for the purpose in concrete and
must be specified by the standards stated in Section D.6 of this Appendix and the standards to
which these standards are referred, as well as the provisions of this Appendix.
D.2.1.1.1.Grading of aggregate fractions of d / D (sieve determined using pairs of screens from the basic
core set of string or a number plus 1), shall be tested according to the standards which will be referred
on standards listed in Section D.6 this Appendix, and the provisions of this Appendix.
Grading of aggregates must meet the class according SK EN 12620:20XX:
a) Fine aggregate:
- D ≤ 4 and d = 0 class GF85 CP or MP or CF or MF
b) Course aggregate:
- D / d ≤ 2, or D11, class 2 GC85/20
- D / d> 2 and D> 11.2 grade GC90/15
- Grade tolerances in situ mid-size D / 1.4: GT15
c) Not fractionated aggregate:
- D ≤ 45 and d = 0 class GA90.
D.2.1.1.2. Grading of fillers is tested according to the standards to which the standards Listed in Section
D.6 are referred, and the provisions of this Appendix and shall meet the Requirements according to SK
EN 1262020XX.
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D.2.1.1.3 Content of fine particles is tested according to the standards to which the standards listed in
Section D.6 are referred and the provisions of this Appendix and shall meet the grades according to SK
EN 12620:20XX:
a) Fine aggregate:
- F3 for natural
- F10 for crushed and mixed
b) Coarse aggregate: F1, 5
c) Unfractionated Unit: F3
D.2.1.1.4. If the content of fine particles larger than 3%, their quality is assessed by determining the
Sand equivalent (SE) according to SK EN 933-8:20XX or by examination methylene blue (MB) according
to EN 933-9:20XX.
D.2.1.1.5. Form of coarse grain aggregates (SI) is determined by the SK EN 12620:20XX class index forms,
tested according to SK EN 933-4:20XX up to SI40 for up to and including concrete compressive strength
class C12/15 according to SK EN 206-1:20XX for other concrete.
D.2.1.1.6. Resistance to crushing of coarse aggregate (LA) tested according to SK EN 1097-2:20XX must
comply with classes according to SK EN 12620:20XX selected depending on the end use of concrete to a
maximum of:
- LA35 for concrete of general-purpose
- LA30 for concrete classes’ exposure XF1 to XF4 according to SK EN 206-1:20XX.
D.2.1.1.7. Content of acid-soluble sulfate (AS) is tested according to SK EN 1744-1:20XX and must comply
with classes according to SK EN 12620:10XX:
- AS0, 2 for all aggregates other than air-cooled slag
- AS1, 0 for air-cooled slag.
D.2.1.1.8. Total sulfur content is tested according to SK EN 1744-1:20XX and shall not exceed:
- 1% for aggregates other than air-cooled slag - 2% for air-cooled slag.
D.2.1.1.9. on exceptional basis from point D.2.1.1.8., if the aggregate has pyrrhotite unstable form of
iron sulphide FeS, then the total sulfur content shall not exceed 0.1%.
D.2.1.1.10. Chloride content expressed as chloride ions (Cl) are tested according to SK EN 1744-1:20XX
and shall not exceed:
- 0.15% for unreinforced concrete,
- 0.06% for reinforced concrete and
- 0.03% for pre-stressed concrete.
D.2.1.1.11. Grain density and water absorption tests according to SK EN 1097-6:20XX, and bulk density is
tested according to SK EN 1097-3:20XX and must meet the design requirements or the requirements of
the client and customer.
D.2.1.1.12. Aggregate for concrete shall not contain ingredients that influence the speed setting and
hardening of concrete (organic matter, sugar, light particles, etc.), and their presence is tested according
to SK EN 1744-1:20XX.
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D.2.1.1.13. Mineralogical and petrographic composition of the aggregate is tested in accordance with SK
EN 932-3:20XX and must meet the design requirements or requests.
D.2.1.1.14. Frost resistance of coarse aggregate (F or MS) is tested according to SK EN 1367-1:20XX and
SK EN 1367-2:20XX and must comply classes according to SK EN 12620:20XX selected depending on the
end use of concrete:
- FNR or MSNR for concrete in a dry environment,
- F2 or MS25 for concrete grade exposure XF1 and XF3 according to SK EN 206-1:20XX,
- F1 or MS18 for concrete grade exposure XF2 and XF4 according to SK EN 206-1:20XX.
D.2.1.1.15. For concrete surface exposed to abrasion, resistance to abrasion (AAV) is tested according to
SK EN 1097-8:20XX and must meet the selected class in accordance with SK EN 12620:20XX, depending
on the exposure to abrasion, and must not be greater than AAV20.
D.2.1.1.16. When applied aggregate in the concrete that is exposed to moisture contains potentially
alkali-reactive constituents with the ability to react with alkalis (Na2O and K2O originating from cement
or other sources) must to conduct further tests and determine reliably measures to prevent alkalisilica reaction according to Report CEN CR 1901
D.2.1.1.17. Content of shells (SC) in coarse aggregate for concrete shall be tested in accordance with SK
EN 933-7:20XX and must meet the SC10 class according to SK EN 12620:20XX.
D.2.1.1.18. For concrete with special requirements and special conditions, the contraction of aggregates
for concrete due to drying examined according to SK EN 1367-4:20XX shall not be greater than 0.075%.
D.2.1.1.19. Concrete aggregate produced from air-cooled slag must not contain Decomposed dicalcium
silicates and decayed iron, and their presence is tested according to SK EN 1744-1:20XX.
D.2.1.2. Technical characteristics of lightweight aggregate for concrete shall, depend on the origin of
aggregate, meet the general and specific requirements essential for purpose of concrete and must be
specified in accordance with SK EN 13055-1:2003:20XX, the standards to which these standards refer
and the provisions of this Appendix.
D.2.2. Certification of conformity
D.2.2.1. Certification of conformity of aggregates for concrete shall be conducted under the provisions of
Appendix ZA of SK EN 12620:20XX and the provisions of special regulations in this Appendix
D.2.2.2. Certification of conformity lightweight aggregate for concrete shall be conducted under the
provisions of Appendix ZA of SK EN 13055-1:20XX and provisions of this Appendix and special
regulations.
D.2.3. Labeling aggregate
D.2.3.1. Concrete aggregate is marked on packaging according to SK EN 12620:20XX. The mark must
contain a reference to this standard, in accordance with a special regulation.
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D.2.3.2. Lightweight aggregate for concrete shall be marked on packaging according to SK EN 130551:20XX. The mark must contain a reference to this standard, in accordance with a special
regulation.
D.3. EXAMINATION OF AGGREGATE
D.3.1. Testing of properties, depending on the type of aggregate for concrete and lightweight
aggregate for concrete, must be carried out according to standard series SK EN 932:20XX, SK EN
933:20XX, SK EN 1097:20XX, SK EN 1367:20XX and SK EN 1744:20XX, and the provisions of this
Appendix.
D.3.2. Sampling and preparation of samples for testing properties, depending on the type of aggregate
for concrete and lightweight aggregate for concrete, carried out according to standard series SK
EN 932:20XX, SK EN 933:20XX, SK EN 1097:20XX, SK EN 1367:20XX and SK EN 1744:20XX, and
the provisions of this Appendix.
D.4. CONTROL OF AGGREGATE BEFORE CONCRETE PRODUCTION
D.4.1. The control of aggregate is carried out in the central batching plant (cement factory), at the
batching plant operation for precast concrete products and concrete plant on the site in
accordance with SK EN 206-1:20XX.
D.4.2. The control of aggregate is carried out by applying the appropriate standard of point D.3.1.
D.5. MAINTAINING THE CHARACTERISTICS OF AGGREGATES
D.5.1. Manufacturer and distributor of aggregates and concrete manufacturer shall take appropriate
measures to maintain the properties of aggregates during handling, transport, transshipment
and storage under Appendix H of the SK EN 12620:20XX and Appendix F of Standard SK EN
13055-1:20XX Norms.
D.6 LIST OF STANDARDS
SK EN 12620:20XX
Aggregates for concrete
SK EN 13055-1:20XX
Lightweight aggregates - Part 1: Lightweight aggregates for concrete, mortar
and grout
SK EN 206-1:20XX
Concrete - Part 1: Specification, performance, production and conformity
CR 1901
Regional Specifications and Recommendations for the avoidance of damaging
alkali silica reactions in concrete
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APPENDIX E
WATER
E.1. SCOPE
E.1.1. In this Appendix, in accordance with Article 3.3 of this Regulation prescribes the technical
characteristics and other requirements for water for concrete of Appendix "A" (hereinafter
referred to as water) and method of assessing the suitability of water
E.1.2. Technical characteristics and other requirements, and the suitability of water are Determined or
implemented in accordance with the paragraph of Appendix F.5 including wash water from
waste water installations in the concrete industry as mixing Water for concrete SK EN
1008:20XX, the standards to which this standard indicates, and Provisions of this Appendix:
E.2. SPECIFIC PROPERTIES AND THE APPROVAL OF COMPLIANCE
E.2.1.
Specific properties
E.2.1.1. Technical characteristics of the water for use in concrete must meet the general and specific
requirements for the essential properties of concrete and must be specified according to SK EN
1008:20XX, the standards to which this standard referrers, and provisions of this Appendix.
E.2.2. Technical characteristics of water are specified in the design of concrete structures.
E.2.2.1 Confirmation of suitability
E.2.2.2. Confirmation of the suitability is conducted in accordance with the provisions of the Standard SK
EN 1008:20XX, and the provisions of this Appendix.
E.2.2.3. Drinking water is not necessary to confirm the suitability of the Preparation of concrete
E.2.2.4. Marine and brackish waters are not suitable for the preparation of concrete for Reinforced
concrete structures, pre-stressed concrete structures and unreinforced concrete Structures with
incorporated metal parts
E.3. EXAMINATION
E.3.1. Testing of contents and limit amount of harmful substances in the water and the Impact of
water on the properties of fresh and hardened concrete are Conducted and determined
according to SK EN 1008:20XX, and the standards to which this standard refers, and the
provisions of this Appendix.
E.3.2. Usability testing of the water is carried out before the first use and in the case where there is a
suspicion that there has been a change in the concentration of harmful substances in the water,
or in the case where there is a suspicion that there has been a change in its composition.
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E.4. CONTROL OF WATER BEFORE THE MANUFACTURE OF CONCRETE
E.4.1. Control is conducted in the central batching plant (cement factory), at the batching plant
operation for precast concrete products and concrete plant on the site before the first use and
in the case when there is a suspicion that there has been a change in its properties.
E.4.2. Control in the case when there is a suspicion that there has been a change in the properties of
water is carried out by applying the appropriate standards SK EN 1008:20XX and the standards
to which this standard is referenced.
E.5 LIST OF STANDARDS
SK EN 1008:20XX
Mixing water for concrete - Specification for sampling, testing and assessing
the suitability of water, including water recovered from processes in the
concrete industry, as mixing water for concrete
SK EN 206-1:20XX
Concrete - Part 1: Specification, performance, production and conformity;
SK EN 197-1:20XX
Cement. Composition, specifications and conformity criteria for common
cements
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APPENDIX F
DESIGN OF CONCRETE STRUCTURES IN ACCORDANCE
WITH EUROPEAN STANDARDS
F.1. SCOPE
F.1.1.
In this Appendix in accordance with Article 3.3 of this Regulation prescribes the rules for the
design of concrete structures, buildings, unless this Regulation provides otherwise.
F.1.2.
The provisions of this Appendix shall apply to the design of concrete structures, taking into
account calculation methods, actions on structures, geotechnical design and the design of
structures for earthquake resistance.
F.2. DESIGN, CALCULATION AND EXECUTION
F.2.1
The rules for the design of concrete structures are determined by European Standard s series SK
EN 1990:20XX, SK EN 1991:20XX, SK EN 1992:20XX, SK EN 1997:20XX and SK EN 1998:20XX with
national specifications given with parameters within certain norms, and Kosovo Standards to
which these standards are referred to:
F.2.2
The calculation and action in concrete construction, European standards series SK EN
1990:20XX, SK EN 1991:20XX and SK EN 1992:20XX are applied including some national
parameters, and the standards to which standards will refer.
F.2.3
The design of concrete structures with regard to earthquake resistance, European Standard
series SK EN 1998:20XX including associated nationally parameters, and the Standards to which
standards will refer:
F.2.4
For design of concrete structures, European standards series SK EN 1992:20XX are applied
including associated nationally determined parameters, and the standards to which standards
refer.
F.2.5
For geotechnical design, European standards series SK EN 1997:20XX including associated
nationally determined parameters, and the standards to which standard refer.
F.2.6.
If in accordance with 4.1 § 1.2 of this regulation do not calculate the resistance to fire action in
accordance with SK EN 1992-1-2:20XX, concrete buildings designed according to the provisions
of this Appendix must comply with the general principles of fire protection activities.
F.3. TECHNICAL PROPERTIES OF CONCRETE, STEEL REBAR AND CONTAINING MATERIALS
F.3.1.
The technical properties of concrete are specified in the design documentation of concrete
structures under the provisions of Appendix “A" of this Regulation.
F.3.2.
Technical characteristics of reinforcing steel and pre-stressing steel specified in the design of
concrete structures under the provisions of Appendix "B" to this Regulation.
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Technical properties of products for use in concrete (cement, aggregates, concrete additive,
additive grout, water) must be specified under the provisions of Appendix "C", "D", "E" and "F"
of this Regulation.
F.4 LIST OF STANDARDS
SK EN 1990:20XX
Eurocode: Basis of structural design
Eurocode 1: Actions on Structures
*(No National Appendix published for any of SK EN 1991 series)
SK EN 1991-1-1:20XX
Eurocode 1: Actions on structures - Part 1-1: General actions - Densities, selfweight, imposed loads for buildings
SK EN 1991-1-2:20XX
Eurocode 1: Actions on structures - Part 1-2: General actions - Actions on
structures exposed to fire
SK EN 1991-1-3:20XX Eurocode 1: Actions on structures - Part 1-3: General actions - Snow loads
SK EN 1991-1-4:20XX Eurocode 1: Actions on structures - Part 1-4: General actions - Wind actions
SK EN 1991-1-5:20XX
Eurocode 1: Actions on structures - Part 1-5: General actions - Thermal
actions
SK EN 1991-1-6:20XX
Eurocode 1: Actions on structures - Part 1-6: General actions, Actions during
execution
SK EN 1991-1-7:20XX
Eurocode 1: Actions on structures - Part 1-7: General actions - Accidental
actions
SK EN 1991-2:20XX
Eurocode 1: Actions on structures - Part 2: Traffic loads on bridges
SK EN 1991-3:20XX
Eurocode 1: Actions on structures - Part 3: Actions induced by cranes and
machinery
SK EN 1991-4:20XX
Eurocode 1: Actions on structures - Part 4: Silos and tanks
Eurocode 2 : Design of concrete structures
*(No National Appendix published for any of SK EN 1992 series)
SK EN 1992-1-1:20XX
Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules
for buildings
SK EN 1992-1-2:20XX
Eurocode 2: Design of concrete structures - Part 1-2: General rules Structural fire design
SK EN 1992-2:20XX
Eurocode 2: Design of concrete structures - Part 2: Concrete bridges. Design
and detailing rules
SK EN 1992-3:20XX
Eurocode 2: Design of Concrete Structures – Part 3 : Liquid retaining and
containment structures
Eurocode 7: Geotechnical Design
*(No National Appendix published for any of SK EN 1997 series)
SK EN 1997-1:20XX
Eurocode 7: Geotechnical design - Part 1: General rules;
SK EN 1997-2:20XX
Eurocode 7. Geotechnical design. Ground investigation and testing
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Chapter I - Concrete Structures
Eurocode 8: Design of structures for earthquake resistance
*(No National Appendix published for any of SK EN 1998 series)
SK EN 1998-1:20XX
Eurocode 8: Design of structures for earthquake resistance - Part 1: General
rules, seismic actions and rules for buildings
SK EN 1998-2:20XX
Eurocode 8: Design of structures for earthquake resistance - Part 2: Bridges;
SK EN 1998-3:20XX
Eurocode 8: Design of structures for earthquake resistance - Part 3:
Assessment and retrofitting of buildings
SK EN 1998-4:20XX
Eurocode 8: Design of structures for earthquake resistance - Part 4: Silos,
tanks and pipelines; S
SK EN 1998-5:20XX
Eurocode 8: Design of structures for earthquake resistance - Part 5:
Foundations, retaining structures and geotechnical aspects;
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Chapter I - Concrete Structures
APPENDIX G
CONSTRUCTION AND MAINTENANCE OF CONCRETE STRUCTURES
G.1. SCOPE
G.1.1. In this Appendix in accordance with Article 27of this Regulation prescribes the technical and
other requirements and conditions for execution of concrete structures, supervision and control
procedures at the construction site and maintenance of concrete structures of buildings, unless
this Regulation provides otherwise.
G.1.2. Technical and other requirements and conditions of paragraph J.1.1: Are determined,
execution and maintenance of concrete structures is carried out according to the standards set
forth in Section J.4, the standards to which these standards refer to and provisions of this
Appendix.
G.2. EXECUTION, SUPERVISION AND CONTROL PROCEDURES AT THE SITE
G.2.1. Installation of concrete
G.2.1.1. Concrete produced according to the provisions of Appendix "A" of this Regulation shall be
installed in concrete according to project documentation requirement, norms SK EN 136701:20XX, the standards to which this standard refers, and provisions of this Appendix:
G.2.1.2. the Contractor shall in accordance with SK EN 13670-1:20XX before start of installation check
and whether the transport of concrete has changed its properties that would affect the
Technical properties of concrete:
G.2.1.3. for Concrete with projected composition provided from concrete plants, supervising engineer
shall determine shortly before his installation implementation of control procedures to
determine properties of fresh concrete and determining compressive strength of hardened
concrete on-site concrete under the provisions of this Appendix and any additional
requirements of concrete construction project.
G.2.1.3.1 Control procedure for determining the properties of fresh concrete is carried out on samples
taken just before placing concrete in concrete construction in accordance with the requirements of SK
EN 13670-1:20XX and concrete construction projects, at least - reviewing every dispatch and visual
control of consistency with each delivery (each vehicle) and, and at reasonable suspicion by testing
consistency the same method as it has been tested in Production:
G.2.1.3.2. Control procedure for determining compressive strength of hardened concrete shall be
carried out on samples taken just before placing concrete in concrete construction in accordance with
the requirements of the project of concrete structure, but not less than one sample for the same
concrete elements that are continuously pouring concrete within 24 hours from Concrete with same
properties and the same manufacturer.
G.2.1.3.3. If the volume of concrete referred to G.2.1.2.2 is greater than 100 m 3, for each further 100
m3 is taken an additional sample of concrete.
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Chapter I - Concrete Structures
G.2.1.3.4 For each sample of concrete from the point G.2.1.3.1 and G.2.1.3.2 this Appendix should be
recorded:
a) The results of tests carried out fresh concrete when preparing samples,
b) Information about the element concrete structures and the approximate location of the element on
which it is installed concrete, from which the sample was taken,
c) Information on the mixer for the amount of concrete from which the sample was taken.
G.2.1.3.5. Control procedure for determining compressive strength of hardened concrete evaluation of
test results of samples from points G.2.1.3.2 and G.2.1.3.3 this Appendix and demonstrate the
characteristic compressive strength of concrete is carried out by Applying the appropriate criteria in
Appendix B standard SK EN 206-1:20XX "identical compressive Strength testing:
G.2.1.3.6. Requirements for a minimal amount of sample from G.2.1.3.2 and G.2.1.3.3 do not apply to
simple building specified by a special rule.
G.2.1.4. Control procedure for determining compressive strength of hardened concrete embedded in
each element of the concrete structure in case of doubt, the control testing conducted at the
site which is determined on the basis of data from point G.2.1.3.4 this Appendix or point A.3.3
Appendix “A" of this Regulation, the appropriate application of the standards referred to in that
Appendix.
G.2.1.5. In case where compressive strength of concrete is unknown, in the part of the structure that
concrete is embedded must conduct testing of compressive strength of concrete in the structure
according to SK EN 12504-1:20XX and conformity assessment according to SK EN 13791:20XX.
G.2.2. Installation of reinforcement
G2.2.1. Reinforcement made of steel for reinforcement from the provisions of Appendix "B" to This
Regulation shall be installed in the reinforced concrete structure according to design of concrete
Structures and / or technical instructions for installation and use of reinforcement: SK EN
13670-1:20XX, the standards to which this standard refer: And provisions of this regulation.
G.2.2.2. reinforcement made of steel for pre-stressing and reinforcing steel under the provisions of
Appendix "B" to this Regulation shall be installed in pre-stressed concrete structure According
to design of concrete structures and / or technical instructions for installation and use of
Reinforcement, SK EN 13670-1:20XX and standards to which it refers and the provisions of this
Regulation:
G.2.2.3. Handling, storage and protection of reinforcement shall be in accordance with the
Requirements of technical specifications relating to the steel reinforcing and pre-stressing steel,
technical guidance, project of concrete structure and the provisions of this Appendix.
G.2.2.4. the Contractor shall in accordance with SK EN 13670-1:20XX before installation check whether
the reinforcement in accordance with the requirements of concrete construction project and
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Chapter I - Concrete Structures
whether during handling and storage of reinforcement came to its damage, deformation or
other changes that would affect the technical properties concrete structures.
G.2.2.5. Supervising engineer just before concreting must:
a) Ensure there is a certificate of conformity for pre-stressing steel, and / or the
reinforcing steel or rebar and whether they comply with the requirements stated in
properties of concrete construction project:
b) Ensure that the steel rebar’s are manufactured, installed and connected in
accordance with the Design of concrete structures and / or technical instructions for
installation and use in Reinforcement and in accordance with Appendix" and Appendix
“I" of this Regulation,
c) Keep a record of all the checks carried out, in the construction diary.
G.2.3. Serviceability of concrete structures
G.2.3.1. When demonstrating the usability of concrete structure should be taken into account:
a) Records in the construction diary on the properties and other information on construction products embedded in concrete construction
b) The results of monitoring activities and control procedures that are in accordance
with this Regulation must conduct before installing building products in concrete
construction:
c) Evidence of usability (test results, records of the implemented procedures, etc.) that
the contractor provides during execution of works: e) construction conditions and other
circumstances under construction diary and other documentation, the contractor must
have a site, documentation that a manufacturer of building products must have, and
may influence the technical characteristics of concrete structures.
G.2.4. Subsequent proving of technical characteristics of concrete structures
G.2.4.1. For concrete construction, which does not have the intended technical characteristics or
the same cannot be identified due to lack of required documentation, must be follow-up
survey and subsequent calculations to determine the technical characteristics of concrete
structures according to a series of standards SK EN 12504:20XX, SK EN 13791:20XX s and the
standards to which these standards are referred, and provisions of this Appendix.
G.2.4.2. In order to determine the technical characteristics of concrete structures under Paragraph
G.2.4.1. this Appendix is necessary to collect relevant information on concrete construction to the extent
and degree that allow assessing the degree of compliance with the essential requirements of
mechanical resistance and stability, fire resistance and other essential requirements for the
building under the provisions of special regulations.
G.3. MAINTENANCE OF CONCRETE STRUCTURES
G.3.1. Actions within the maintenance of concrete structures should be conducted under the
provisions of this Appendix and the regulations referred to in this Appendix and the appropriate
application of other provisions of the Appendix to this Regulation:
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Chapter I - Concrete Structures
G.3.2. The frequency of regular inspections for the purpose of maintaining the concrete Structure is
carried out in accordance with the requirements of the project, but not less than:
a) 10 years for building public and private sectors,
b) 2 years for bridges,
c) 5 years for the industrial, transportation, infrastructure, and other buildings that are
not Listed under a) and b)
G.3.3. The way the examination is determined by the construction project, which Includes at least:
a) Visual inspection, which is included in determining the position and size of fissures
and cracks and other damage relevant to the conservation of mechanical resistance and
Stability of the building,
b) To determine the state of the protective layer of reinforcement for concrete
structures in moderately or highly aggressive environments,
c) Determining the size of the deflection of the main structural elements of concrete
construction in the case of basic action, if based on the visual inspection described insubparagraph a) doubt in fulfilling the essential requirement for mechanical resistance
and Stability.
G.3.4. The documents referred to in points G.3.2 and G.3.3 and other documents on maintaining
concrete structures shall be permanently kept by the owner.
G.4. STANDARDS AND RECOGNIZED RULES
SK EN 13670-1:20XX
Execution of concrete structures - Part 1: Common
SK ISO 4866:20XX
Mechanical vibration and shock. Vibration of fixed structures. Guidelines for
the measurement of vibrations and evaluation of their effects on structures
SK EN 13791:20XX
Assessment of in situ compressive strength in structures and precast
concrete components
SK ISO 15686-1:20XX
Buildings and constructed assets - Service life planning - Part 1: General
principles and framework
SK ISO 15686-2:20XX
Buildings and constructed assets - Service life planning - Part 2: Service life
prediction procedures
SK ISO 15686-3:20XX
Building and constructed assets -- Service life planning -- Part 3:
Performance audits and reviews
SK EN 12504-1:20XX
Testing concrete in structures - Part 1: Cored specimens - Taking, examining
and testing in compression
SK EN 12504-2:20XX
Testing concrete in structures - Part 2: Non-destructive testing Determination of rebound number
SK EN 12504-3:20XX
Testing concrete in structures - Part 3: Determination of pull-out force
SK EN 12504-4:20XX
Testing concrete in structures - Part 4: Determination of ultrasonic pulse
velocity
SK EN 12390-1:20XX
Testing hardened concrete - Part 1: Shape, dimensions and other
requirements for test specimens and moulds
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Section 2 – Structural
SK EN 12390-3:20XX
Unified Construction Code of Republic of Kosovo
Chapter I - Concrete Structures
Testing hardened concrete - Part 3: Compressive strength of test specimens
33